Solve the system. x + 3y = 13 2x – 3y = –19
a. (4, –2)
b. (–2, 5)
c. (–2, 4)
d. (5, –2)

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.